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Diffstat (limited to '')
| -rw-r--r-- | spa/plugins/audioconvert/resample-native-ssse3.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/resample-native-ssse3.c b/spa/plugins/audioconvert/resample-native-ssse3.c new file mode 100644 index 0000000..ac3675f --- /dev/null +++ b/spa/plugins/audioconvert/resample-native-ssse3.c @@ -0,0 +1,115 @@ +/* Spa + * + * Copyright © 2019 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "resample-native-impl.h" + +#include <tmmintrin.h> + +static inline void inner_product_ssse3(float *d, const float * SPA_RESTRICT s, + const float * SPA_RESTRICT taps, uint32_t n_taps) +{ + __m128 sum = _mm_setzero_ps(); + __m128 t0, t1; + uint32_t i; + + switch (SPA_PTR_ALIGNMENT(s, 16)) { + case 0: + for (i = 0; i < n_taps; i += 8) { + sum = _mm_add_ps(sum, + _mm_mul_ps( + _mm_load_ps(s + i + 0), + _mm_load_ps(taps + i + 0))); + sum = _mm_add_ps(sum, + _mm_mul_ps( + _mm_load_ps(s + i + 4), + _mm_load_ps(taps + i + 4))); + } + break; + case 4: + t0 = _mm_load_ps(s - 1); + for (i = 0; i < n_taps; i += 8) { + t1 = _mm_load_ps(s + i + 3); + t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 4); + sum = _mm_add_ps(sum, + _mm_mul_ps(t0, _mm_load_ps(taps + i + 0))); + t0 = t1; + t1 = _mm_load_ps(s + i + 7); + t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 4); + sum = _mm_add_ps(sum, + _mm_mul_ps(t0, _mm_load_ps(taps + i + 4))); + t0 = t1; + } + break; + case 8: + t0 = _mm_load_ps(s - 2); + for (i = 0; i < n_taps; i += 8) { + t1 = _mm_load_ps(s + i + 2); + t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 8); + sum = _mm_add_ps(sum, + _mm_mul_ps(t0, _mm_load_ps(taps + i + 0))); + t0 = t1; + t1 = _mm_load_ps(s + i + 6); + t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 8); + sum = _mm_add_ps(sum, + _mm_mul_ps(t0, _mm_load_ps(taps + i + 4))); + t0 = t1; + } + break; + case 12: + t0 = _mm_load_ps(s - 3); + for (i = 0; i < n_taps; i += 8) { + t1 = _mm_load_ps(s + i + 1); + t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 12); + sum = _mm_add_ps(sum, + _mm_mul_ps(t0, _mm_load_ps(taps + i + 0))); + t0 = t1; + t1 = _mm_load_ps(s + i + 5); + t0 = (__m128)_mm_alignr_epi8((__m128i)t1, (__m128i)t0, 12); + sum = _mm_add_ps(sum, + _mm_mul_ps(t0, _mm_load_ps(taps + i + 4))); + t0 = t1; + } + break; + } + sum = _mm_add_ps(sum, _mm_movehdup_ps(sum)); + sum = _mm_add_ss(sum, _mm_movehl_ps(sum, sum)); + _mm_store_ss(d, sum); +} + +static inline void inner_product_ip_ssse3(float *d, const float * SPA_RESTRICT s, + const float * SPA_RESTRICT t0, const float * SPA_RESTRICT t1, float x, + uint32_t n_taps) +{ + float sum[2] = { 0.0f, 0.0f }; + uint32_t i; + + for (i = 0; i < n_taps; i++) { + sum[0] += s[i] * t0[i]; + sum[1] += s[i] * t1[i]; + } + *d = (sum[1] - sum[0]) * x + sum[0]; +} + +MAKE_RESAMPLER_FULL(ssse3); +MAKE_RESAMPLER_INTER(ssse3); |